// ignore_for_file: file_names, must_be_immutable, constant_identifier_names, slash_for_doc_comments, avoid_unnecessary_containers, prefer_const_constructors, unnecessary_cast, sized_box_for_whitespace, prefer_function_declarations_over_variables, overridden_fields, annotate_overrides, prefer_const_literals_to_create_immutables, unnecessary_null_comparison, deprecated_member_use


class TemplateSingleManager {
  // 单例公开访问点
  factory TemplateSingleManager() => _sharedInstance();

  // 静态、同步、私有访问点
  static TemplateSingleManager _sharedInstance() {
    return _instance;
  }

  // 静态私有成员，没有初始化
  static final TemplateSingleManager _instance = TemplateSingleManager._();

  // 私有构造函数
  TemplateSingleManager._() {
    // 具体初始化代码
  }
  
  
}
